Home / 178,884.54-268,335-126,527.76

Finding the Fourth Proportional to 178,884.54, 268,335 and 126,527.76

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Solution

The fourth proportional to 178,884.54, 268,335 and 126,527.76 is: 189,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,884.54 : 268,335 = 126,527.76 : x
  2. Step 2: Convert to fraction form
    178,884.54/268,335 = 126,527.76/x
  3. Step 3: Cross multiply
    178,884.54x = 268,335 × 126,527.76
  4. Step 4: Simplify right side
    178,884.54x = 33,951,826,479.60
  5. Step 5: Solve for x
    x = 33,951,826,479.60/178,884.54
  6. Step 6: Final answer
    x = 189,797.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.